<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/** 
* Smarty function plugin (function.fckeditor.php)
* Requires PHP >= 4.3.0
* ------------------------------------------------------------- 
* Type:     function 
* Name:     fckeditor
* Version:  1.0
* Author:   gazoot (gazoot care of gmail dot com)
* Purpose:  Creates a FCKeditor, a very powerful textarea replacement.
* ------------------------------------------------------------- 
* @param InstanceName Editor instance name (form field name)
* @param BasePath optional Path to the FCKeditor directory. Need only be set once on page. Default: /FCKeditor/
* @param Value optional data that control will start with, default is taken from the javascript file
* @param Width optional width (css units)
* @param Height optional height (css units)
* @param ToolbarSet optional what toolbar to use from configuration
* @param CheckBrowser optional check the browser compatibility when rendering the editor
* @param DisplayErrors optional show error messages on errors while rendering the editor
*
* Default values for optional parameters (except BasePath) are taken from fckeditor.js.
*
* All other parameters used in the function will be put into the configuration section, 
* CustomConfigurationsPath is useful for example.
* See http://wiki.fckeditor.net/Developer%27s_Guide/Configuration/Configurations_File for more configuration info.
*/ 
function smarty_function_fckeditor($params, &$smarty)
{
        if(!isset($params['InstanceName']) || empty($params['InstanceName']))
        { 
                $smarty->trigger_error('fckeditor: required parameter "InstanceName" missing');
        }

        static $base_arguments = array();
        static $config_arguments = array();

        // Test if editor has been loaded before
        if(!count($base_arguments)) $init = TRUE;
        else $init = FALSE;
        
        // BasePath must be specified once.
        if(isset($params['BasePath']))
        {
                $base_arguments['BasePath'] = $params['BasePath'];
        }
        else if(empty($base_arguments['BasePath']))
        {
                // (*) heoh BasePath set in config or if empty:
                $base_arguments['BasePath'] = '/fckeditor.new/';
        }

        $base_arguments['InstanceName'] = $params['InstanceName'];

        if(isset($params['Value'])) $base_arguments['Value'] = $params['Value'];
        if(isset($params['Width'])) $base_arguments['Width'] = $params['Width'];
        if(isset($params['Height'])) $base_arguments['Height'] = $params['Height'];

        if(isset($params['ToolbarSet'])) $base_arguments['ToolbarSet'] = $params['ToolbarSet'];
        if(isset($params['CheckBrowser'])) $base_arguments['CheckBrowser'] = $params['CheckBrowser'];
        if(isset($params['DisplayErrors'])) $base_arguments['DisplayErrors'] = $params['DisplayErrors'];

        // Use all other parameters for the config array (replace if needed)
        $other_arguments = array_diff_assoc($params, $base_arguments);
        $config_arguments = array_merge($config_arguments, $other_arguments);

        $out = '';

        if($init)
        {
                $out .= '<script type="text/javascript" src="' . $base_arguments['BasePath'] . '/fckeditor.js"></script>';
        }

        $out .= "\n<script type=\"text/javascript\">\n";
        $out .= "var oFCKeditor = new FCKeditor('" . $base_arguments['InstanceName'] . "');\n";

        foreach($base_arguments as $key => $value)
        {
                if(!is_bool($value))
                {
                        // Fix newlines, javascript cannot handle multiple line strings very well.
                        $value = '"' . preg_replace("/[\r\n]+/", '" + $0"', addslashes($value)) . '"';
                }
                $out .= "oFCKeditor.$key = $value; \n";
        }

        foreach($config_arguments as $key => $value)
        {
                if(!is_bool($value))
                {
                        $value = '"' . preg_replace("/[\r\n]+/", '" + $0"', addslashes($value)) . '"';
                }
                $out .= "oFCKeditor.Config[\"$key\"] = $value; \n";
        }
		// (*) CustomConfiguration - get from  BasePath
		$out .= "oFCKeditor.Config[\"CustomConfigurationsPath\"] = '".$base_arguments['BasePath']."fckconfig.js' ;\n";
        $out .= "oFCKeditor.Create();\n";
        $out .= "</script>\n"; 
        
        return $out;
} 

/* vim: set expandtab: */

 
?>
